In Windows, right-click ArcGIS Administrator, and click Run as administrator. Note:Īdministrator rights on the machine are required to select a Single Use license in ArcGIS Administrator. Refer to ArcMap: Authorizing your software for more information on authorizing ArcMap for single use. Single Use license authorization is performed on the machine where ArcMap is installed and requires an authorization code from MyEsri. This error occurs if a license is not authorized or when the location of the ArcGIS License Manager is not specified after authorizing ArcMap with a Concurrent Use license.Īuthorize ArcMap with a Single Use licenseĪrcMap is authorized with either a Concurrent Use or Single Use license. When launching ArcMap, the following error returns: Error:Ĭould not connect to an ArcGIS license manager running on host 'Not_Set'